Heat oil in a cooking pot.
Sauté garlic until color turns light brown.
Add pork and cook for 3 to 5 minutes or until the color turns light brown.
Pour-in soy sauce, oyster sauce, and water. Let boil and simmer for 45 minutes or until the pork becomes tender.
Add vinegar and wait until the liquid re-boils. Stir.
Put-in sugar and fried tofu. Cook for 3 minutes.
Add salt, and pepper. Stir.
Turn off heat. Transfer to a serving bowl.
Serve. Share and enjoy!